package com.itheima.reggie.common;

import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

import java.sql.SQLIntegrityConstraintViolationException;

@ControllerAdvice(annotations = {RestController.class,Controller.class})
@ResponseBody
@Slf4j
public class GlobalExceptionHandler {


    /**
     *
     * 异常处理方法
     * @return
     */
    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public R<String>exe(SQLIntegrityConstraintViolationException ex){
        log.info(ex.getMessage());
        if (ex.getMessage().contains("Duplicate entry")){
            String[] split = ex.getMessage().split(" ");
            String msg="【"+split[2].replace("'","")+"】已存在";
            return R.error(msg);
        }
        return R.error("未知错误");
    }

    /**
     * 捕获删除异常
     * @param ex
     * @return
     */
    @ExceptionHandler(CustomException.class)
    public R<String>exe(CustomException ex){
        log.info(ex.getMessage());
        return R.error(ex.getMessage());
    }

}
